Chrome Vanadium steel hammer-thru shafts, fully hardened, tempered and chrome plated. Screwdrivers are shot blasted and have magnetized tips. Classic type handles manufactured from high-impact resistant material.Specifications:Model No S0535Brand: SiegenContents: Slotted; 5 x 75, 6 x 100, 8 x 150mm, Phillips; #1 x 80, #2 x 100, #3 x 150mmNett Weight: 0.65kg